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首页> 外文期刊>Canadian Water Resources Journal >Economic Impact Assessment of Irrigation Development and Related Activities in Manitoba
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Economic Impact Assessment of Irrigation Development and Related Activities in Manitoba

机译：曼尼托巴省灌溉发展及相关活动的经济影响评估

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Irrigation development is a capital―intensive process, which must compete with other uses for capital resources at the provincial level. In order to make a decision in favour of irrigation development, policy―makers must know if irrigation development is good only for the irrigators or is in the best interests of society as a whole, particularly in the rural Manitoba context. This study was undertaken to estimate the external (beyond irrigators) economic impacts of irrigation development. A regional input―output model, coupled with an employment model, was used for this estimation. All activities were broken down into those for the investment phase and those for the production phase. Investment phase activities bring forth economic impact only once, whereas those from the production phase are recurring in nature and last as long as the productive life of the capital assets. Results indicate that irrigation creates a significant amount of economic externalities in rural Manitoba: 7,349 jobs are created during the investment phase (about 735 per annum, assuming a 10―year adoption period), while during the production and processing phase 1,981 jobs per annum are created; 411 jobs at the farm level. Thus, for every job at the farm level, there are an additional 5.5 person―years of employment created during the investment, production and processing of irrigated products. Similarly in terms of gross domestic product, every hectare of irrigation generates an additional $10,680 worth of new wealth in the non―farm economy of Manitoba.
机译：灌溉发展是一项资本密集型过程，必须与省级其他用途争夺资本资源。为了做出有利于灌溉发展的决定，政策制定者必须知道灌溉发展仅对灌溉者有利还是符合整个社会的最大利益，特别是在曼尼托巴省农村地区。进行这项研究是为了评估灌溉发展对外部（超出灌溉者）的经济影响。该估计使用了区域投入产出模型和就业模型。所有活动都分为投资阶段和生产阶段。投资阶段的活动只产生一次经济影响，而生产阶段的活动本质上是重复发生的，并且持续到资本资产的生产寿命。结果表明，灌溉为马尼托巴省农村创造了巨大的经济外部性：在投资阶段创造了7,349个工作岗位（假设采用10年，每年创造约735个工作岗位），而在生产和加工阶段则创造了1,981个工作岗位。创建农场一级的411个工作。因此，在农场一级的每项工作，在投资，生产和加工灌溉产品过程中，都会增加5.5个工作年。同样，就国内生产总值而言，每公顷灌溉在曼尼托巴的非农业经济中还产生了价值10680美元的新财富。

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